423237401 has 2 divisors, whose sum is σ = 423237402. Its totient is φ = 423237400.

The previous prime is 423237349. The next prime is 423237439. The reversal of 423237401 is 104732324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368832025 + 54405376 = 19205^2 + 7376^2 .

It is a cyclic number.

It is not a de Polignac number, because 423237401 - 2¹⁸ = 422975257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423237601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211618700 + 211618701.

It is an arithmetic number, because the mean of its divisors is an integer number (211618701).

Almost surely, 2^423237401 is an apocalyptic number.

It is an amenable number.

423237401 is a deficient number, since it is larger than the sum of its proper divisors (1).

423237401 is an equidigital number, since it uses as much as digits as its factorization.

423237401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 423237401 is about 20572.7344074627. The cubic root of 423237401 is about 750.8064812140.

Adding to 423237401 its reverse (104732324), we get a palindrome (527969725).

The spelling of 423237401 in words is "four hundred twenty-three million, two hundred thirty-seven thousand, four hundred one".